Research output per year
Research output per year
Personal profile
Author IDs
ORCID iD: 0000-0002-8226-1663
Scopus Author ID: 57189265820
Google Scholar Profile: fNtZyEAAAAAJ
Impact
Qualifications (Brief)
BEng(UESTC), MEng(UESTC), PhD(CityU), MIEEE
Biography
Dr. Gengbo Wu received his B.Eng. and M.Sc. degrees from the University of Electronic Science and Technology of China, Chengdu, China, in 2015 and 2018, respectively, and the Ph.D. degree from the City University of Hong Kong (CityU), Hong Kong, in 2021.
From 2021 to 2023, he was a Postdoctoral Research Fellow with the State Key Laboratory of Terahertz and Millimeter Waves, CityU. He is currently an Assistant Professor with the Department of Electrical Engineering, CityU, Hong Kong. He is also a member of the State Key Lab of Terahertz and Millimeter Waves at CityU. He has published more than 30 peer-reviewed papers in prestigious journals, including Nature Electronics, Nature Communications, Science Advances, and IEEE Transactions series. His research interests include millimeter-wave/THz antennas, reconfigurable intelligent surfaces, spatiotemporal modulation technology, integrated sensing and communications.
Prizes/Honours
- 2023 “Gold Medal” 48th International Exhibition of Inventions Geneva.
- 2022 “IEEE Antennas and Propagation Society Fellowship ” IEEE AP-S.
- 2020 “Honorable Mention Award” IEEE AP-S Student Paper Competition .
- 2019 “Best Student Presenter Award” EE Student Research Symposium, CityU.
Patents
- Wu G. B., Chan K. F., Chan C. H., Leaky-wave antenna, US Patent No. 11611149B2 , 21 Mar 2023.
- Qu. S. W., Wu. G. B., Feng P. Y., Yang S. W., Chen Y. K., A low-profile reflectarray-fed lens antenna, Chinese Patent No. ZL 2016 1 1006516.2, Apr 2019.
Research Interests/Areas
- Millimeter-wave/terahertz antennas
- Reconfigurable intelligent surfaces
- Spatiotemporal modulation technology
- Applied electromagnetics
Services outside CityUHK
Professional Activity
- 2023 - Now, Lead Guest Editor, Special Issue in IEEE Open Journal of Antennas and Propagation.
- 2023, Special Section chair, International Conference on Microwave and Millimeter Wave Technology (ICMMT).
- 2022, Finance Chair, 23rd IEEE (HK) AP/MTT Postgraduate Conference.
- 2022, Special section Chair, Asia-Pacific Microwave Conference (APMC).
- 2022 - Now, Treasurer, IEEE Hong Kong AP/MTT Joint Chapter.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Collaborations from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
Research output
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3D-printed aberration-free terahertz metalens for ultra-broadband achromatic super-resolution wide-angle imaging with high numerical aperture
Chen, J., Huang, S.-X., Chan, K. F., Wu, G.-B. & Chan, C. H., 2025, In: Nature Communications. 16, 9 p., 363.Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Open AccessFile7 Citations (Scopus)26 Downloads (CityUHK Scholars) -
3D Printed Al2O3for Millimeter Wave Metalens
Chen, J., Chan, K. F., Wu, G.-B. & Chan, C. H., 2025, 2025 IEEE International Workshop on Antenna Technology. IEEE, 3 p. (IEEE International Workshop on Antenna Technology, iWAT).Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review
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A Risley-Prism-Based Achromatic Beam-Steering Metalens Antenna with Wide Bandwidth
Zhang, X.-Y., Wu, G. B., Xie, Y.-X., Huang, G.-L. & Zhu, S.-Y., Jun 2025, In: IEEE Antennas and Wireless Propagation Letters. 24, 6, p. 1477-1481 5 p.Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
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A Simple Method for Folded-Transmitarray Antenna Gain Improvement in Terahertz Frequency Band
Wang, M., Zhang, Q. L., Chen, B. J., Wu, G.-B. & Chan, C. H., Jun 2025, In: IEEE Antennas and Wireless Propagation Letters. 24, 6, p. 1322-1326Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
1 Citation (Scopus) -
Bulk–spatiotemporal vortex correspondence in gyromagnetic zero-index media
Zhang, R.-Y. (Co-first Author), Cui, X. (Co-first Author), Zeng, Y.-S. (Co-first Author), Chen, J., Liu, W., Wang, M., Wang, D., Zhang, Z.-Q., Wang, N., Wu, G.-B. & Chan, C. T., 29 May 2025, In: Nature. 641, 8065, p. 1142-1148Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review
Projects
- 9 Active
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DON: Advanced Antenna Technology for Next-Generation Wireless Communications
WU, G. (Principal Investigator / Project Coordinator)
1/01/25 → …
Project: Research
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GDBAB-NSF-HK: 基於時空調制的近場聚焦透射陣天線研究
WU, G. (Principal Investigator / Project Coordinator)
1/01/25 → …
Project: Research
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NSFC-YPC-HK: Research On Real-Time Multi-Harmonic Microwave Imaging Based on Space-Time Modulated Metasurface Antennas
WU, G. (Principal Investigator / Project Coordinator)
1/01/25 → …
Project: Research
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ECS: Advanced and Green Beamforming Metasurface Antennas for 6G
WU, G. (Principal Investigator / Project Coordinator)
1/08/24 → …
Project: Research
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GRF: CMOS Reconfigurable Terahertz Source and Detection Array for Fast High-Resolution Imaging/Sensing Applications
CHAN, C. H. (Principal Investigator / Project Coordinator), GAO, L. (Co-Investigator) & WU, G. (Co-Investigator)
1/01/24 → …
Project: Research
Prizes
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Stanford's top 2% most highly cited scientists 2024
WU, G. (Recipient), Sept 2024
Prize: RGC 64B - Prizes and awards
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Gold Medal With Congratulations of the Jury at the 49th International Exhibition of Inventions of Geneva
CHAN, C. H. (Recipient), WU, G. (Recipient) & DAI, J. (Recipient), Apr 2024
Prize: RGC 64B - Prizes and awards
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Gold Medal at 2023 International Exhibition of Inventions Geneva (IEIG 2023)
CHAN, C. H. (Recipient), Pang, S. W. (Recipient), WU, G. (Recipient) & ZHU, S. (Recipient), Apr 2023
Prize: RGC 64B - Prizes and awards
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Outstanding Academic Performance Award for Research Degree Students (non-local UGC-funded students)
WU, G. (Recipient), 16 Aug 2020
Prize: RGC 64B - Prizes and awards
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Outstanding Academic Performance Award for Research Degree Students (non-local UGC-funded students)
WU, G. (Recipient), 16 Aug 2019
Prize: RGC 64B - Prizes and awards
Press/Media
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CityUHK researchers develop innovative antenna technology for 6G communications
CHAN, C. H., SHUM, K. M., CHAN, K. F. & WU, G.
15/12/24 → 17/12/24
8 items of Media coverage
Press/Media: Press / Media
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CityU develops the world’s first universal metasurface antenna for high-security 6G communications
4/12/23 → 28/12/23
13 items of Media coverage
Press/Media: Press / Media
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Novel terahertz meta-devices accelerate 6G communications development
CHAN, C. H., TSAI, D.-P., CHEN, M. K. & WU, G.
16/03/23 → 17/03/23
3 items of Media coverage
Press/Media: Press / Media
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New-generation antenna developed at CityU promotes 6G wireless communications
5/12/22
8 items of Media coverage
Press/Media: Press / Media
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A novel, space-time coding antenna developed at CityU promotes 6G and secure wireless communications
7/12/22
1 item of Media coverage
Press/Media: Press / Media
Thesis
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Research on High-Gain Millimeter-Wave and Terahertz Antennas for 5G and Beyond
WU, G. (Author), CHAN, C. H. (Supervisor), 10 Feb 2021Student thesis: Doctoral Thesis